| 100% | SHENANDOAH | 10 | River formed in Virginia, US, that joins the Potomac at Harpers Ferry, West Virginia |
| 48% | JOHNBROWN | 9 | US abolitionist leader hanged in 1859 after leading an unsuccessful rebellion of slaves at Harpers Ferry, West Virginia |
| 47% | TALLAHATCHIE | 12 | River rising in Mississippi, US, that converges with the Yalobusha at Greenwood to form the Yazoo |
| 46% | SAONE | 5 | River in E France that joins the Rhone at Lyon |
| 44% | VAAL | 4 | River in South Africa that joins the Orange River west of Kimberley |
| 44% | SWALE | 5 | River in North Yorkshire that joins the Ure to form the Ouse |
| 42% | POTOMAC | 7 | US river rising in West Virginia that flows into Chesapeake Bay |
| 42% | YARE | 4 | River in Norfolk that joins the River Chet at Hardley Cross |
| 40% | NEOSHO | 6 | US river rising in Kansas that joins the Arkansas River near Muskogee, Oklahoma |
| 39% | JUMNA | 5 | River in N India also called the Yamuna that joins the Ganges at Allahabad |
| 39% | NECKAR | 6 | German river rising in the Black Forest that joins the Rhine at Mannheim |
| 39% | NEISSE | 6 | River rising in southwest Poland that joins the Odra near Brzeg |
| 39% | NEISSE | 6 | River rising in southwest Poland that joins the Oder near Brzeg |
| 39% | NEISSE | 6 | River rising in SW Poland that joins the Oder near Brzeg |
| 38% | GAD | 3 | West Virginia community that disappeared under the waters of Summersville Lake when a river was dammed in the sixties |
| 37% | SAVA | 4 | River rising in Slovenia that flows to the Danube at Belgrade |
| 37% | SAONE | 5 | 294 mile river that joins the Rhone at Lyon |
| 36% | MARICO | 6 | River that joins the Crocodile to form the Limpopo |
| 36% | ASSINIBOINE | 11 | River that joins the Red River at Winnipeg, Manitoba, Canada |
| 36% | YELLOWSTONE | 11 | US river rising in NW Wyoming that enters the Missouri near the North Dakota border |
| 35% | ROANOKE | 7 | City in Virginia, US, that houses the man-made Mill Mountain Star |
| 35% | UCAYALI | 7 | River in Peru that joins the Maranon River near the town of Nauta |
| 35% | OHIO | 4 | River that joins the Mississippi in the southeast corner of the 43-Across |
| 35% | MAMORE | 6 | River rising in the Andes that forms part of the Bolivia-Brazil border |
| 34% | FAL | 3 | River in Cornwall that reaches the English Channel at Falmouth |
| 34% | YSER | 4 | River rising in northern France that flows through Belgium into the North Sea at Nieuwpoort |
| 34% | SAINTMAURICE | 12 | River rising in Quebec, Canada, that flows to the St Lawrence at Trois-Rivieres |
| 33% | ELBE | 4 | River that formed part of the border between East and West Germany |
| 33% | ELBE | 4 | River in central Europe that flows to the North Sea at Hamburg |
| 33% | ADUR | 4 | River in Sussex that reaches the English Channel at Shoreham-by-Sea |